EXTSW 7/16” ID x 5/8” OD x 3/8” Thick 316 Stainless Washer
Actual size .443" ID x .615” OD x .375" Thick
(+/- .003" on all dimensions)
(.030 inch Radius OD) / Slightly countersunk ID (no sharp edges)
Made in USA. 316 Stainless has the ULTIMATE corrosion resistance.